Physics Laboratory Experiments
8th Edition
ISBN: 9781285738567
Author: Jerry D. Wilson, Cecilia A. Hernández-Hall
Publisher: Cengage Learning
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Textbook Question
Chapter 3, Problem 6ASA
Explain how readings from 0.00 through 1.00 mm are obtained from the micrometer thimble scale when it is calibrated only from 0.00 through 0.50 mm.
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Chapter 3 Solutions
Physics Laboratory Experiments
Ch. 3 - Prob. 1ASACh. 3 - Does a laboratory balance measure weight or mass?...Ch. 3 - What is the function of the vernier scale on the...Ch. 3 - Distinguish between positive and negative zero...Ch. 3 - What is the purpose of the ratchet mechanism on a...Ch. 3 - Explain how readings from 0.00 through 1.00 mm are...Ch. 3 - Prob. 7ASACh. 3 - Prob. 8ASACh. 3 - Explain the probable source of error(s) in the...Ch. 3 - Prob. 2Q
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- A reference mass of 50.00 Kg is weighted using a digital balance with 1% accuracy. The measurement is repeated 5 times to give 50.0; 50.1; 50.1; 50.2 and 50.2 Kg; with a mean value of 50,12 Kg and S.D.= 0,084 Kg. The balance has a 4 digit display with one decimal point. Calculate the bias, the precision and the measurement uncertainty.arrow_forwardA person's blood pressure is measured to be 129±8 mm Hg.129±8 mm Hg. What is the percent uncertainty? percent uncertainty: %% Assuming the same percent uncertainty and the same measurement device, what is the uncertainty in a blood pressure measurement of 93 mm Hg93 mm Hg? uncertainity: mm Hgmm Hg Question Credit: OpenStax College Physicsarrow_forward1.26 An American golf ball has a mass of 1.62 +0.01 oz and a nom- inal diameter of 1.68 in. Determine the precision that the diameter of the ball must be measured so that the uncertainty of the density of the ball is ±1 percent.arrow_forward
- In a Measurement ,the Expected value is 72 V and the measured value is 63 V. Find (i) Absolute error Ea , (ii)Relative error Er, (iii) Absolute accuracy Aa (iv) Relative Accuracy Ar. i) Absolute Error= (ii)Relative error= (iii) Absolute accuracy= (iv) Relative Accuracy =arrow_forward1) A line was measured by EDM found 4032.32 m, what is the probable error in this distance if the EDM precision is + (2 mm+3 ppm)?arrow_forwardWhat is the volume and its approximate uncertainty of a sphere of radius 1.96 +- 0.0m?arrow_forward
- What, roughly, is the percent uncertainty in the volume of a spherical beach ball of radius r = 0.84 ± 0.04 m?arrow_forwardExpress each approximation of p to six significant figures:(a) 22/7and (b) 355/113. (c) Are these approximations accurate to that precision?arrow_forwardWhat is the density uncertainty ±8, of a metal block with mass = 554.4+-0.37 grams, length=D 6.01+-0.03 cm, width 3.41+-0.02 cm, and height = 2.84+-0.01 cm? Use 2 decimal place precision. Do not convert units from those given.arrow_forward
- In a Measurement ,the Expected value is 64 V and the measured value is 62 V. Find (i) Absolute error Ea , (ii) Relative error Er, (iii) Absolute accuracy Aa (iv) Relative Accuracy Ar. [* i) Absolute Error= (ii)Relative error= (iii) Absolute accuracy=arrow_forwardSTARTING AMOUNT + X An atom of a particular element has a volume of 6.1 x 10 volume in cubic nanometers? ADD FACTOR *( ) 10" 6.1 10 6.1 x 10 10⁰ 6.1 x 10 10* (10%) pm ANDWER 6.1 10 (10") E (10) 10⁰ What is this RESET 2 (1) (10%)arrow_forwardThe mass of an object was measured eight times on a balance readable to +1 g, and the followng values were recorded: (298 + 1)g. (311 + 1)g, (302 + 1)g, (312+ 1)g, (313 + 1)g. (317 + 1)g, (302 + 1)g, and (331 + 1)g. What is the percentage uncertainty of Om x 100% 2 the measurement Select one: O a. 12.862 % O b. 1.286 % O C. 0.129 % O d. 0.013 %arrow_forward
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